worker: only handle GET requests; update local cache with newer network files

1 files changed, 23 insertions, 6 deletions

diff --git a/worker.js b/worker.js
index 219947f..88a97c4 100644
--- a/worker.js
+++ b/worker.js
@@ -33,10 +33,12 @@ self.addEventListener('install', function(event) {
 this.addEventListener('fetch', function(event) {
 	var req = event.request.clone();
 
-	if (!navigator.onLine) {
-		event.respondWith(
-			caches.match(req).then(function(resp) {
+	if (req.method != "GET") return;
 
+	event.respondWith(
+		caches.match(req).then(function(resp) {
+
+			if (!navigator.onLine) {
 				if (resp) return resp;
 
 				if (req.url.match("read.html")) {
@@ -46,7 +48,22 @@ this.addEventListener('fetch', function(event) {
 				if (req.url.match("index.php")) {
 					return caches.match("offline.html");
 				}
-			})
-		);
-	}
+
+				return;
+			}
+
+			//console.log("<<<", req.url);
+
+			// refresh cached files
+			return caches.open(CACHE_NAME).then(function(cache) {
+				return fetch(req.url,{credentials: 'include'}).then(function(resp) {
+					return caches.match(req).then(function(match) {
+						if (match) cache.put(req.url, resp.clone());
+						return resp;
+					});
+				});
+			});
+		})
+	);
+
 });